but there's frankly a more recent lesson during the obama administration of abu mu tal an the underwear bomber. remember there was lead information there inside the system at the state department and at the cia and that didn't get shared. even in the current administration we've seen, you know, an instance where this sort of counter -- important counterterrorism information is not adequately shared or followed up. >> important context there. fran townsend, thanks so much. let me ask you to give context on one other thing we are hearing in these reports. we heard sound from the uncle to the tsarnaev brothers, one of the uncles who brings up the possible of a character, a man named misha who may have influenced tamerlan, may have been a mentor to him somehow dealing with muslim issues right now. put this in context. is this something that authorities will follow up on? are you hearing that this is something they're concerned about? or is this something that may or may not be that reliable? >> well, there's no question that federal authorities will follow up. they will try to individual mi